208778837181

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{283}}^1\times {\mathrm{7879}}^1$

素因数の和:8270

約数の個数: 48

約数和(自身を含む): 297016742400

約数和(自身を除く): 88237905219

約数列:

[1, 3, 23, 59, 69, 177, 283, 529, 849, 1357, 1587, 4071, 6509, 7879, 16697, 19527, 23637, 31211, 50091, 93633, 149707, 181217, 384031, 449121, 464861, 543651, 1152093, 1394583, 2229757, 4167991, 6689271, 8832713, 10691803, 12503973, 26498139, 32075409, 51284411, 131555663, 153853233, 245911469, 394666989, 737734407, 1179541453, 3025780249, 3538624359, 9077340747, 69592945727, 208778837181]

約数ペア:

[(1, 208778837181), (3, 69592945727), (23, 9077340747), (59, 3538624359), (69, 3025780249), (177, 1179541453), (283, 737734407), (529, 394666989), (849, 245911469), (1357, 153853233), (1587, 131555663), (4071, 51284411), (6509, 32075409), (7879, 26498139), (16697, 12503973), (19527, 10691803), (23637, 8832713), (31211, 6689271), (50091, 4167991), (93633, 2229757), (149707, 1394583), (181217, 1152093), (384031, 543651), (449121, 464861)]